I just fell asleep in the movie theater, but I didn’t expect to see the graduation ceremony of the Hong Kong Island Police Academy in the 1980s and 1990s. At first, Chang Huan was a little unconcerned. When Liu Jianming, Zhang Ziwei and Zhuo Kai were around, Chang Huan was in a daze. It wasn't over yet. After reading the memories of his previous life, he realized that he had an aunt named Aunt Piao, and a cousin who was always in the dark. His name is Chen Gangsheng. Familiar names from previous lives gradually appeared beside Chang Huan. In order to survive in this dangerous world, Chang Huan set a small goal for himself: I want to be a big brother!